Notes

Three Dimensional Figures Sometimes before you make any purchases you may want to know for example, how much cloth you need to make a pillow cover. What about a cover for your mattress or sofa cushion? How much oil paint…

Area of any Triangle The Formula for the Area of any Triangle Derive the formula for the area of any triangle Area of triangle is given by½bh, whereby b is the base of the triangle and h is the height…

Equation of a Line The General Equation of a Straight Line Derive the general equation of a straight line COORDINATES OF A POINT •The coordinates of a points – are the values of x and y enclosed by the brackets which are used…

Double Entry Explain the meaning of double entry Businesses need to keep records of their transactions. The process of keeping record is called bookkeeping. The simplest form of bookkeeping is single entry. Every transaction is recorded once. This is unreliable because:…

Features and Location of Places The Equator, Great Circle, Small Circles, Meridian, Latitudes and Longitudes Describe the equator, great circle, small circles, meridian, latitudes and longitudes Definition of latitude and longitude The Earth is not a perfect sphere, as it…

Definition of Terms Circle, Chord, Radius, Diameter, Circumference, Arc, Sector, Centre and Segment of a Circle Define circle, chord, radius, diameter, circumference, arc, sector, centre and segment of a circle A circle: is the locus or the set of all points equidistant…

Sequences Explain the concept of sequence A Sequence is the arrangement of numbers or is a list of numbers following a clear pattern such that one number and the next are separated by comma (,). Example: a1, a2, a3, a4 ……………………..…

Rates A rate is found by dividing one quantity by another. Rates of Quantities of Different Kinds Relate rates of quantities of different kinds For example a rate of pay consists of the money paid divided by the time worked.…

Mean Calculating the Mean from a Set of Data, Frequency Distribution Tables and Histogram Calculate the mean from a set of data, frequency distribution tables and histogram Measures of central tendency: After collecting the data, organizing it and illustrating it…

Normally relation deals with matching of elements from the first set called DOMAIN with the element of the second set called RANGE.